main_java

package com.example.marta.m07_uf1_p2_ortiz_marta;

import android.content.Context;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.content.DialogInterface;
import android.text.Html;
import android.view.View;
import android.widget.EditText;


public class MainActivity extends AppCompatActivity {
    EditText cc, bcc, para, asunto, texto, par, de;
    Context contexto = this;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        cc = (EditText) findViewById(R.id.ETCC);
        bcc = (EditText) findViewById(R.id.ETBCC);
        asunto = (EditText) findViewById(R.id.ETAssu);
        texto = (EditText) findViewById(R.id.MLTe);
        de = (EditText) findViewById(R.id.MailDe);
        par = (EditText) findViewById(R.id.MailPara);
    }
    public void OnclickCerrar(View view){

        AlertDialog.Builder alerta = new AlertDialog.Builder(contexto);
        alerta.setTitle(Html.fromHtml("<font color='#6A0888'>SORTIR</font>"));
        alerta.setMessage("Segur que vol sortir de l'Aplicació?");
        alerta.setCancelable(false);
        alerta.setPositiveButton("Sí", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                MainActivity.this.finish();
            }
        });
        alerta.setNegativeButton("No", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.cancel();
            }
        });
        AlertDialog diaaler = alerta.create();
        diaaler.show();
    }
    public void OnclickEnviar(View view){
        String mailde = de.getText().toString();
        String asun = asunto.getText().toString();
        String mailpara = par.getText().toString();

        if(mailde=="" || mailpara=="" || asun==""){
            AlertDialog.Builder alerta = new AlertDialog.Builder(contexto);
            alerta.setTitle(Html.fromHtml("<font color='#6A0888'>Error</font>"));
            alerta.setMessage("Has deixat el camp 'De' per omplir i és obligatori");
            alerta.setCancelable(false);
            alerta.setPositiveButton("OK", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    dialog.cancel();
                }
            });
            AlertDialog diaaler = alerta.create();
            diaaler.show();
        }
        else {
            AlertDialog.Builder alerta = new AlertDialog.Builder(contexto);
            alerta.setTitle(Html.fromHtml("<font color='#6A0888'>Informació</font>"));
            alerta.setMessage("Missatge enviat correctament.");
            alerta.setCancelable(false);
            alerta.setPositiveButton("OK", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    dialog.cancel();
                }
            });
            AlertDialog diaaler = alerta.create();
            diaaler.show();
            cc.setText("");
            bcc.setText("");
            asunto.setText("");
            texto.setText("");
            par.setText("");
            de.setText("");
        }
    }
    public void OnclickBorrador(View view){

        AlertDialog.Builder alerta = new AlertDialog.Builder(contexto);
        alerta.setTitle(Html.fromHtml("<font color='#6A0888'>Informació</font>"));
        alerta.setMessage("Missatge desat com a esborrany.");
        alerta.setCancelable(false);
        alerta.setPositiveButton("OK", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.cancel();
            }
        });
        AlertDialog diaaler = alerta.create();
        diaaler.show();
        cc.setText("");
        bcc.setText("");
        asunto.setText("");
        texto.setText("");
        par.setText("");
        de.setText("");
    }
}